AtCoder Grand Contest 015

Submission #1576091

Source codeソースコード

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

inline ll read()
{
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1; ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0'; ch=getchar();}
	return x*f;
}
ll A,B;
int main()
{
	// freopen("read.in","r",stdin);
	A=read(); B=read(); int x=61;
	if(A>B) swap(A,B);
	if(A==B){cout << 1 << endl; return 0;}
	while(x>=0&&(A&(1ll<<x))==(B&(1ll<<x))) x--;
	A&=((1ll<<x+1)-1); B&=((1ll<<x+1)-1);
	int k=0; while((1ll<<k)+(1ll<<x)-1<B) k++;
	ll l1=A,r1=(1ll<<k)+(1ll<<x)-1;
	ll l2=(1ll<<x)+A,r2=(1ll<<x+1)-1;
	r1=min(r1,l2-1);
	cout << r1-l1+r2-l2+2 << endl;
	return 0;
}

Submission

Task問題 D - A or...or B Problem
User nameユーザ名 wcz111
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 900
Source lengthソースコード長 678 Byte
File nameファイル名
Exec time実行時間 1 ms
Memory usageメモリ使用量 256 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - s1.txt,s2.txt,s3.txt
All 900 / 900 01.txt,02.txt,03.txt,04.txt,05.txt,06.txt,07.txt,08.txt,09.txt,10.txt,11.txt,12.txt,13.txt,14.txt,15.txt,16.txt,17.txt,18.txt,19.txt,20.txt,21.txt,22.txt,23.txt,24.txt,25.txt,26.txt,27.txt,28.txt,29.txt,30.txt,31.txt,32.txt,33.txt,34.txt,35.txt,36.txt,37.txt,38.txt,39.txt,40.txt,41.txt,42.txt,43.txt,44.txt,45.txt,46.txt,47.txt,48.txt,49.txt,50.txt,51.txt,52.txt,53.txt,54.txt,55.txt,56.txt,s1.txt,s2.txt,s3.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01.txt AC 1 ms 256 KB
02.txt AC 1 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 1 ms 256 KB
07.txt AC 1 ms 256 KB
08.txt AC 1 ms 256 KB
09.txt AC 1 ms 256 KB
10.txt AC 1 ms 256 KB
11.txt AC 1 ms 256 KB
12.txt AC 1 ms 256 KB
13.txt AC 1 ms 256 KB
14.txt AC 1 ms 256 KB
15.txt AC 1 ms 256 KB
16.txt AC 1 ms 256 KB
17.txt AC 1 ms 256 KB
18.txt AC 1 ms 256 KB
19.txt AC 1 ms 256 KB
20.txt AC 1 ms 256 KB
21.txt AC 1 ms 256 KB
22.txt AC 1 ms 256 KB
23.txt AC 1 ms 256 KB
24.txt AC 1 ms 256 KB
25.txt AC 1 ms 256 KB
26.txt AC 1 ms 256 KB
27.txt AC 1 ms 256 KB
28.txt AC 1 ms 256 KB
29.txt AC 1 ms 256 KB
30.txt AC 1 ms 256 KB
31.txt AC 1 ms 256 KB
32.txt AC 1 ms 256 KB
33.txt AC 1 ms 256 KB
34.txt AC 1 ms 256 KB
35.txt AC 1 ms 256 KB
36.txt AC 1 ms 256 KB
37.txt AC 1 ms 256 KB
38.txt AC 1 ms 256 KB
39.txt AC 1 ms 256 KB
40.txt AC 1 ms 256 KB
41.txt AC 1 ms 256 KB
42.txt AC 1 ms 256 KB
43.txt AC 1 ms 256 KB
44.txt AC 1 ms 256 KB
45.txt AC 1 ms 256 KB
46.txt AC 1 ms 256 KB
47.txt AC 1 ms 256 KB
48.txt AC 1 ms 256 KB
49.txt AC 1 ms 256 KB
50.txt AC 1 ms 256 KB
51.txt AC 1 ms 256 KB
52.txt AC 1 ms 256 KB
53.txt AC 1 ms 256 KB
54.txt AC 1 ms 256 KB
55.txt AC 1 ms 256 KB
56.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB